//package com.fzshang.wx.interceptor;
//
//import com.fzshang.commen.controller.BaseController;
//import me.chanjar.weixin.common.api.WxConsts;
//import org.springframework.beans.factory.annotation.Autowired;
//import org.springframework.beans.factory.annotation.Value;
//import org.springframework.context.annotation.Configuration;
//import org.springframework.web.servlet.HandlerInterceptor;
//import org.springframework.web.servlet.ModelAndView;
//
//import javax.servlet.http.HttpServletRequest;
//import javax.servlet.http.HttpServletResponse;
//import javax.servlet.http.HttpSession;
//import java.io.IOException;
//
///**
// * Created by Zhang on 2018/8/26.
// */
//@Configuration
//public class Appinterceptor extends BaseController implements HandlerInterceptor{
//
////    @Autowired
////    XbxWxService xbxWxService;
//    @Value("${weixin.redirectURL}")
//    String redirectURL = "";
//
//    @Override
//    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
//        HttpSession session = request.getSession();
//
//        String stata = null;
//        //解决 session失效后 重新跳转总是跳转某个默认地址
//        //获取到当前请求的地址
//        if (request.getQueryString() != null && !request.getQueryString().equals("")) {
//            stata = request.getServletPath() + "?" + request.getQueryString();
//        }else{
//            stata=request.getServletPath();
//        }
//        //如果登陆信息失效  那么就重新登陆，并把本次访问地址当成stata参数传递  在用户授权后 跳转stata
//        if (session.getAttribute("user") == null) {
//            //微信授权的地址
//            String url = xbxWxService.getWxService().oauth2buildAuthorizationUrl(redirectURL, WxConsts.OAuth2Scope.SNSAPI_USERINFO,stata );
//            redirect(request, response, url);
//            return false;
//        }
//        return true;
//    }
//
//    @Override
//    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {
//
//    }
//
//    @Override
//    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {
//
//    }
//
//    //对于请求是ajax请求重定向问题的处理方法
//    public void redirect(HttpServletRequest request, HttpServletResponse response, String url) throws IOException {
//        // 获取当前请求的路径
//        //String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + request.getContextPath();
//        String basePath = request.getScheme() + "://" + request.getServerName() + ":80";
//        System.out.println("basePath:" + basePath);
//        // 如果request.getHeader("X-Requested-With") 返回的是"XMLHttpRequest"说明就是ajax请求，需要特殊处理 否则直接重定向就可以了
//        if ("XMLHttpRequest".equals(request.getHeader("X-Requested-With"))) {
//            //告诉ajax我是重定向
//            response.setHeader("REDIRECT", "REDIRECT");
//            // 告诉ajax我重定向的路径
//            response.setHeader("CONTENTPATH", basePath + "/wx/user/login.html");
//            response.setStatus(HttpServletResponse.SC_FORBIDDEN);
//        } else {
//            response.sendRedirect(url);
//        }
//
//    }
//
//}
